CN113210120A - Mud/sand resource separation device combined with resonance pretreatment and implementation method - Google Patents
Mud/sand resource separation device combined with resonance pretreatment and implementation method Download PDFInfo
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- CN113210120A CN113210120A CN202110404029.6A CN202110404029A CN113210120A CN 113210120 A CN113210120 A CN 113210120A CN 202110404029 A CN202110404029 A CN 202110404029A CN 113210120 A CN113210120 A CN 113210120A
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- 239000004576 sand Substances 0.000 title claims abstract description 65
- 238000000926 separation method Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 88
- 239000002699 waste material Substances 0.000 claims abstract description 52
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 238000007873 sieving Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 239000004575 stone Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 40
- 239000002002 slurry Substances 0.000 claims description 39
- 238000005086 pumping Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 14
- 238000009774 resonance method Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 239000004927 clay Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
- B03B5/34—Applications of hydrocyclones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
Abstract
The invention relates to the technical field of environmental resources, and discloses a mud/sand resource separation device combined with resonance pretreatment and an implementation method thereof, the device comprises a resonance pretreatment device, a chute is fixedly arranged on the right side of the resonance pretreatment device, a first soil box is movably connected with the bottom end of the chute, the mud/sand resource separation device combined with resonance pretreatment and the implementation method thereof are characterized in that waste soil is dried, then large broken stones or impurities are removed through grinding and sieving, dry granular waste soil is obtained firstly, then the waste soil is poured into an upper end cover of the resonance pretreatment device for treatment, the treated waste soil flows into the first soil box through the chute, then the waste soil is conveyed to a pipeline through a variable frequency motor control mud pump and then is conveyed into a cyclone separation device, and then the waste soil is conveyed to the inside of a third soil box through an increment guide plate, therefore, the urban waste soil is efficiently treated and recycled, the urban waste resource conversion is realized, the manufacturing cost is saved, and the environmental pollution is avoided.
Description
Technical Field
The invention relates to the technical field of environmental resources, in particular to a mud/sand resource separation device combined with a resonance method for pretreatment and an implementation method.
Background
In recent years, the projects in the urban building industry, rail transit, underground space and the like in China are developed at a high speed, the urbanization process of high-speed development not only brings wide development space for cities, but also causes formation of a large amount of waste, wherein urban waste soil is one of the wastes with larger quantity and most serious influence in the projects, the urban waste soil mainly refers to waste soil materials generated in the construction processes of building foundation excavation, drilling pile foundations, shield tunnels and the like, the long-term development of urban construction is seriously influenced by accumulation of a large amount of waste soil, soil and surface water sources are polluted, the treatment difficulty of the urban waste soil is high, the cost is huge, a proper treatment and recovery scheme is lacked, severe economic loss and resource waste are caused, and in order to solve the problem of urban waste soil recovery and utilization and related environment, the urban waste soil recovery technology is necessarily developed, therefore, exploring the technology of resource treatment and recovery of the urban waste soil is an important subject for serving the development of the city, and deeply conforms to the development planning of the country for building a resource-saving society.
At present, the common spoil treatment method at home and abroad comprises the following steps: the traditional treatment methods generally have the defects of low efficiency, high cost, easy environmental pollution and the like, and are single in function, and are mostly used for separating soil from water, particularly, the sand-containing condition of urban waste soil in coastal areas of southeast of China mostly takes medium sand and fine sand as main materials.
Disclosure of Invention
In order to realize the purposes of the spoil resource treatment and recovery of the urban spoil, the invention provides the following technical scheme: the utility model provides a combine mud sand resource separator of resonance method preliminary treatment, includes resonance preprocessing device, resonance preprocessing device's right side fixed mounting has the spout, the bottom swing joint of spout has first workbin, the top fixed mounting of first workbin has material pumping device, material pumping device's top fixed mounting has inverter motor, material pumping device's bottom fixed mounting has the pipeline, the right side fixed mounting of pipeline has cyclone separation device, cyclone separation device's bottom outer wall fixed mounting has the support, cyclone separation device's bottom fixed mounting has the second workbin, the right side fixed mounting of pipeline has the third workbin.
And an increment guide plate is fixedly arranged on the left side of the cyclone separation device.
As a further optimization, the resonance pretreatment device is divided into three parts, namely a resonance table, a resonance spring and an upper end cover, wherein the top end of the resonance spring is fixedly connected with the bottom end of the upper end cover, and the bottom end of the resonance spring is fixedly connected with the top end of the resonance table.
As a further optimization, the material pumping device is composed of a slurry pump and a variable frequency motor, the slurry pump is fixedly installed at the bottom end of the material pumping device, the top end of the material pumping device is fixedly connected with an output shaft of the variable frequency motor, and the material pumping device can realize flow regulation and control through the variable frequency motor.
As further optimization, the cyclone separation device is divided into a traditional cyclone separator, a conical hopper and a bottom connecting port, the bottom end of the traditional cyclone separator is fixedly connected with the top end of the conical hopper, the bottom end of the conical hopper is fixedly connected with the top end of the second soil box, repeated treatment on soil materials is facilitated, the recovery rate is increased, the cyclone separation device can reduce the use abrasion of the inner structure of the separator, and the overflowing section and the soil material flow can be reduced to a certain extent.
As a further optimization, the outer wall of the pipeline is fixedly provided with a fitting male head, and the top end of the cyclone separation device is fixedly provided with a fitting male head, so that the pipeline and the cyclone separation device can be conveniently connected for conveying soil materials.
As a further optimization, the number of the brackets is four, the angle between every two brackets is ninety degrees, and the top ends of the brackets are fixedly connected with the outer wall of the cyclone separation device, so that the installation stability and adjustability of the cyclone separation device are ensured.
The implementation method of the mud/sand resource separation device combined with the resonance method for pretreatment comprises the following steps:
step 1), drying the waste soil, grinding and sieving to remove large broken stone blocks or impurities to obtain dry granular waste soil;
step 2), placing the granular waste soil on a resonance pretreatment device, setting the vibration frequency as the inherent frequency of sand grains, pretreating the waste soil by a resonance method, and collecting the sand clay particle mixed structure in the waste soil into a first soil box along a sliding groove after the sand clay particle mixed structure is vibrated, so that the separation efficiency of the subsequent steps is improved;
step 3), adding a proper amount of water into the first soil box, and stirring the dry granular waste soil in the water to a uniform slurry state, wherein the water content of the sand-containing slurry is required to reach the separation standard water content obtained by experimental research and at least reaches more than two times of the liquid limit of the soil sample;
step 4), enabling the sand-containing slurry in the first soil box to enter a cyclone separation device according to a certain flow standard through a material pumping device, wherein a liquid inlet of the cyclone separation device is connected with the material pumping device through a pipeline, and the flow can be regulated and controlled by a variable frequency motor;
step 5), sand-containing slurry enters from a liquid inlet of the cyclone through a pipeline by virtue of a material pumping device and moves spirally downwards along the wall of the cyclone, sand is subjected to a centrifugal force greater than that of the slurry due to the fact that the sand density is greater than that of the slurry, sand particles are closer to the wall of the cyclone, then the sand particles flow out from a bottom flow port along the wall of the cyclone, most of the slurry cannot flow out from the bottom flow port and moves spirally upwards, and finally the sand-containing slurry flows out from an overflow pipe above the cyclone, so that the purpose of separating the sand from the slurry is achieved;
and 6), directly recycling the sand flowing out of the underflow port after the sand is cleaned by clear water, and storing the slurry flowing out of the overflow port for later use.
The invention has the beneficial effects that: the method comprises the steps of drying the waste soil, grinding and sieving the waste soil to remove large broken stones or impurities to obtain dry granular waste soil, pouring the waste soil into an upper end cover of the resonance pretreatment device for treatment, enabling the treated waste soil to flow into a first soil box through a sliding chute, controlling a slurry pump to convey the waste soil to a pipeline through a variable frequency motor, then conveying the waste soil into a cyclone separation device, and then conveying the waste soil to the inside of a third soil box through an increment guide plate, so that the urban waste soil is treated and recovered efficiently, the urban waste resource conversion is realized, the manufacturing cost is saved, and the environmental pollution is avoided.
Drawings
FIG. 1 is a diagram of an overall apparatus of the present invention;
FIG. 2 is a flow chart of a method of practicing the present invention;
fig. 3 is a diagram of a modified portion of a cyclone separation device in the apparatus of the present invention.
In the figure: 1. a resonance preprocessing device; 2. a chute; 3. a variable frequency motor; 4. a material pumping device; 5. a cyclonic separation device; 6. a pipeline; 7. a support; 8. a first soil box; 5. a cyclonic separation device; 9. an incremental baffle; 10. a second soil box; 11. and a third soil box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a mud/sand resource separation device combined with a resonance method for pretreatment comprises a resonance pretreatment device 1, wherein the resonance pretreatment device 1 is divided into three parts of a resonance table, a resonance spring and an upper end cover, the top end of the resonance spring is fixedly connected with the bottom end of the upper end cover, the bottom end of the resonance spring is fixedly connected with the top end of the resonance table, a small-sized double-degree-of-freedom resonance table is suggested, a chute 2 is fixedly arranged on the right side of the resonance pretreatment device 1, a first soil box 8 is movably connected with the bottom end of the chute 2, a material pumping device 4 is fixedly arranged at the top end of the first soil box 8, the material pumping device 4 is composed of a mud pump and a variable frequency motor 3, a mud pump is fixedly arranged at the bottom end of the material pumping device 4, the top end of the material pumping device 4 is fixedly connected with an output shaft of the variable frequency motor 3, the material pumping device 4 passes through the variable frequency motor 3, the flow regulation and control can be realized, the variable frequency motor 3 is fixedly installed at the top end of the material pumping device 4, the pipeline 6 is fixedly installed at the bottom end of the material pumping device 4, the fitting head is fixedly installed on the outer wall of the pipeline 6, the fitting male head is fixedly installed at the top end of the cyclone separation device 5, the pipeline 6 is conveniently connected with the cyclone separation device 5 to convey soil materials, the cyclone separation device 5 is fixedly installed at the right side of the pipeline 6 and is divided into a traditional cyclone separator, a conical hopper and a bottom connecting port, the bottom end of the traditional cyclone separator is fixedly connected with the top end of the conical hopper, the bottom end of the conical hopper is fixedly connected with the top end of the second soil box 10, the soil materials can be conveniently and repeatedly treated, the recovery rate is increased, the use abrasion of the inner structure of the separator can be reduced by the cyclone separation device 5, and the overflowing section can be reduced to a certain extent, the soil flow is increased, the support 7 is fixedly mounted on the outer wall of the bottom end of the cyclone separation device 5, the number of the supports 7 is four, the angle between every two supports 7 is ninety degrees, the top end of each support 7 is fixedly connected with the outer wall of the cyclone separation device 5, the stability and the adjustability of the installation of the cyclone separation device 5 are guaranteed, the second soil box 10 is fixedly mounted on the bottom end of the cyclone separation device 5, and the third soil box 11 is fixedly mounted on the right side of the pipeline 6.
Referring to fig. 2, an incremental baffle 9 is fixedly installed on the left side of the cyclone separation device 5.
An implementation method of a mud/sand resource separation device combined with resonance pretreatment comprises the following steps:
step 1), drying the waste soil, grinding and sieving to remove large broken stone blocks or impurities to obtain dry granular waste soil;
step 2), placing the granular waste soil on a resonance pretreatment device 1, setting the vibration frequency to be the inherent frequency of sand grains, pretreating the waste soil by a resonance method, and storing a sand clay particle mixed structure in the waste soil after being vibrated and dispersed into a first soil box 8 along a chute 2, so that the separation efficiency of the subsequent steps is improved;
step 3), adding a proper amount of water into the first soil box 8, and stirring the dry granular waste soil in water to a uniform slurry state, wherein the water content of the sand-containing slurry is required to reach the separation standard water content obtained by experimental research and at least reaches more than 2 times of the liquid limit of the soil sample;
step 4), the sand-containing slurry in the first soil box 8 enters a cyclone separation device 5 through a material pumping device 4 according to a certain flow standard, wherein a liquid inlet of the cyclone separation device 5 is connected with the material pumping device 4 through a pipeline 6; the flow can be regulated and controlled by a variable frequency motor 3;
and step 5), sand-containing slurry enters from a liquid inlet of the cyclone through a pipeline 6 by virtue of the material pumping device 4 and moves spirally downwards along the wall of the cyclone, sand density is higher than slurry density, centrifugal force on sand is higher than that of the slurry, sand particles are closer to the wall of the cyclone, then the sand particles flow out from a bottom flow port along the wall of the cyclone, most of the slurry cannot flow out from the bottom flow port and moves spirally upwards, and finally the sand-containing slurry flows out from an overflow pipe above the cyclone, so that the purpose of separating the sludge and the sand is realized.
And 6), directly recycling the sand flowing out of the underflow port after the sand is cleaned by clear water, and storing the slurry flowing out of the overflow port for later use.
The working principle is as follows: obtaining sand grains and pure slurry resources from urban waste soil, and performing secondary conversion treatment on the sand grains and the slurry resources after separation by a resonance pretreatment device 1, a material pumping device 4 and a cyclone separation device 5, wherein the treatment process comprises the following steps:
referring to fig. 3, the first step: drying, grinding and sieving, namely drying the waste soil, and grinding and sieving to obtain dry granular waste soil;
the second step is that: performing spoil pretreatment 2, vibrating and dispersing a sand clay particle mixed structure in the dry granular spoil by using a resonance pretreatment device 1, then opening a front cover, and storing the pretreated spoil into a first soil box 8 along a chute 2;
the third step: adding clear water into a soil collection box, fully stirring, and stirring the dry granular waste soil in water to a uniform slurry state, wherein the water content at least reaches more than two times of the liquid limit of a soil sample;
the fourth step: connecting the material pumping device 4 with the cyclone separation device 5 by using a pipeline 6, operating the variable frequency motor 3 to pump slurry, and feeding the sand-containing slurry into the cyclone separation device 5 through the pipeline 6;
the fifth step: the sand-containing slurry is subjected to cyclone separation in the cyclone separation device 5, sand particles flow out from the bottom flow port, clear water can be directly recycled after being cleaned, and the slurry flows out from the overflow port and is stored for later use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a combine mud/sand resource separator of resonance method preliminary treatment, includes resonance preprocessing device (1), its characterized in that: the resonance pretreatment device comprises a resonance pretreatment device (1), and is characterized in that a chute (2) is fixedly mounted on the right side of the resonance pretreatment device (1), a first soil box (8) is movably connected to the bottom end of the chute (2), a material pumping device (4) is fixedly mounted at the top end of the first soil box (8), a variable frequency motor (3) is fixedly mounted at the top end of the material pumping device (4), a pipeline (6) is fixedly mounted at the bottom end of the material pumping device (4), a cyclone separation device (5) is fixedly mounted on the right side of the pipeline (6), a support (7) is fixedly mounted on the outer wall of the bottom end of the cyclone separation device (5), a second soil box (10) is fixedly mounted at the bottom end of the cyclone separation device (5), and a third soil box (11) is fixedly mounted;
and an increment guide plate (9) is fixedly arranged on the left side of the cyclone separation device (5).
2. The mud/sand resource separation device combined with the resonance method for pretreatment of claim 1, wherein: the resonance pretreatment device (1) is divided into three parts, namely a resonance table, a resonance spring and an upper end cover, wherein the top end of the resonance spring is fixedly connected with the bottom end of the upper end cover, and the bottom end of the resonance spring is fixedly connected with the top end of the resonance table.
3. The mud/sand resource separation device combined with the resonance method for pretreatment of claim 1, wherein: the material pumping device (4) is composed of a slurry pump and a variable frequency motor (3), the slurry pump is fixedly installed at the bottom end of the material pumping device (4), the top end of the material pumping device (4) is fixedly connected with an output shaft of the variable frequency motor (3), and the material pumping device (4) achieves flow regulation and control through the variable frequency motor (3).
4. The mud/sand resource separation device combined with the resonance method for pretreatment of claim 1, wherein: the cyclone separation device (5) is divided into a traditional cyclone separator, a conical hopper and a bottom connecting port, the bottom end of the traditional cyclone separator is fixedly connected with the top end of the conical hopper, and the bottom end of the conical hopper is fixedly connected with the top end of the second soil box (10).
5. The mud/sand resource separation device combined with the resonance method for pretreatment of claim 1, wherein: the outer wall of the pipeline (6) is fixedly provided with a fitting male head, and the top end of the cyclone separation device (5) is fixedly provided with a fitting male head.
6. The mud/sand resource separation device combined with the resonance method for pretreatment of claim 1, wherein: the number of the brackets (7) is four, the angle between every two brackets (7) is ninety degrees, and the top ends of the brackets (7) are fixedly connected with the outer wall of the cyclone separation device (5).
7. The implementation method of the mud/sand resource separation device combined with the resonance method pretreatment is characterized by comprising the following steps:
step 1), drying the waste soil, grinding and sieving to remove large broken stone blocks or impurities to obtain dry granular waste soil;
step 2), placing the granular waste soil on a resonance pretreatment device (1), setting the vibration frequency as the inherent frequency of sand grains, pretreating the waste soil by a resonance method, and collecting the sand clay particle mixed structure in the waste soil into a first soil box (8) along a chute (2) after the sand clay particle mixed structure is vibrated;
step 3), adding a proper amount of water into the first soil box (8), and stirring the dry granular waste soil in water to a uniform slurry state, wherein the water content of the sand-containing slurry reaches the separation standard water content obtained by experimental research;
step 4), enabling the sand-containing slurry in the first soil box (8) to enter a cyclone separation device (5) through a material pumping device (4) according to a certain flow standard, wherein a liquid inlet of the cyclone separation device (5) is connected with the material pumping device (4) through a pipeline (6), and the flow can be regulated and controlled by a variable frequency motor (3);
step 5), sand-containing slurry enters from a liquid inlet of the cyclone through a pipeline (6) by virtue of a material pumping device (4) and moves spirally downwards along the wall of the cyclone, sand is subjected to centrifugal force greater than that of the slurry due to the fact that the sand density is higher than that of the slurry, sand particles are closer to the wall of the cyclone, then the sand particles flow out from a bottom flow port along the wall of the cyclone, most of the slurry cannot flow out from the bottom flow port and moves spirally upwards, and finally the sand particles flow out from an overflow pipe above the cyclone;
and 6), directly recycling the sand flowing out of the underflow port after the sand is cleaned by clear water, and storing the slurry flowing out of the overflow port for later use.
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| CN202110404029.6A CN113210120A (en) | 2021-04-15 | 2021-04-15 | Mud/sand resource separation device combined with resonance pretreatment and implementation method |
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| CN202110404029.6A CN113210120A (en) | 2021-04-15 | 2021-04-15 | Mud/sand resource separation device combined with resonance pretreatment and implementation method |
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Application publication date: 20210806 |